CN105114269A - Linear driver - Google Patents
Linear driver Download PDFInfo
- Publication number
- CN105114269A CN105114269A CN201510579210.5A CN201510579210A CN105114269A CN 105114269 A CN105114269 A CN 105114269A CN 201510579210 A CN201510579210 A CN 201510579210A CN 105114269 A CN105114269 A CN 105114269A
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- drive screw
- base
- memory polymer
- driver
- housing
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Abstract
The invention discloses a linear driver and belongs to driving machines. A driving threaded rod centering shell and a base are arranged outside and inside of the lower side of a shell assembly respectively; the driving threaded rod centering shell, the base and the shell assembly are fixedly connected into a whole through bolt groups; a driving threaded rod is movably installed on the shell assembly, the base and the driving threaded rod centering shell in an inserting mode in the axial direction; a chain wheel nut is in threaded connection with the upper side portion of the driving threaded rod in a matched mode; a chain is arranged on the chain wheel nut in a sleeving mode; each end of the chain is connected with one end of a shape memory polymer driver through a first fastening piece; the other end of the shape memory polymer driver at the left side and the other end of the shape memory polymer driver at the right side are connected with the base through a second fastening piece. According to the linear driver, the shape memory polymer drivers are adopted to replace a traditional mechanical mode for driving, the structure of a driving system is simplified, and the complexity of the control process is reduced; meanwhile, the linear driver adapts to the application in an acid-alkali environment and has the characteristics of being novel and simple in structure, convenient to control, resistant to corrosion and low in mass.
Description
Technical field
The invention belongs to driving device, relates generally to the linear actuator that a kind of shape-memory polymer driver is formed.
Background technique
Driver is widely used a kind of mechanical device in engineering practice.At present, most of driver all adopts traditional driving mode, and composition component majority is metal material.But.In engineering practice, operating mode is very complicated, especially the driver that uses under strong acid, highly basic etc. have highly corrosive condition as being in of some special environments, require high to the corrosion of opposing surrounding medium, the existing driver based on metal material can not meet its usage requirement.Visible, develop a kind of linear actuator especially with highly corrosion resistant and there is very important engineering significance.
Summary of the invention
The object of the invention is to there is complex structure and quality weight for the existing driver based on metal material, especially the deficiency worked under being unsuitable for the environment such as strong acid, highly basic, design provides a kind of linear actuator of new structure, reaches simplified structure, weight reduction, the object that can use in acid or alkali environment.
The object of the invention is achieved in that a kind of linear actuator, configuration driven screw rod centering housing on housing assembly lower outside center portion, at described housing assembly internal configurations base, drive screw to be felt relieved housing by bolt group, base and housing assembly are packed in one, what drive screw can move axially is inserted into housing assembly successively, base and drive screw are felt relieved on housing, can stretch on housing assembly top in the upper end portion of described drive screw, described drive screw lower side and drive screw feel relieved housing radially, circumference location fit, on described drive screw upper lateral part, be positioned at chassis interior to be threaded equipped sprocket wheel nut, the thread helix lift angle angle value of described drive screw and sprocket wheel nut is in the angular range of mutual self-locking, chain cover fits on sprocket wheel nut, the two ends of described chain is respectively by the first fastening piece and a left side, one end of the shape-memory polymer driver on right side connects, a described left side, the other end of the shape-memory polymer driver on right side is connected with base respectively by the second fastening piece, the shape-memory polymer driver in described left side is in the reset condition of folding shrinking, the shape-memory polymer driver on right side is in the predeformation state of launching to stretch, described sprocket wheel nut, drive screw, bolt group, housing assembly, base, chain, first and second fastening piece and drive screw centering housing all adopts the polymer material of decay resistance to manufacture.
The invention utilizes polymer to have extremely strong rotproofness, be applied to actuator part design, replace metal material, can be used for the highly corrosive environments such as strong acid, highly basic, and utilize the shape memory characteristic of shape-memory polymer, replace traditional Mechanical Driven mode with shape memory effect, simplify driving system structure, reduce the complexity of control procedure, have the advantages that structure is simply novel, control is convenient, corrosion-resistant, quality is light, expanded the Applicable scope of driver.
Accompanying drawing explanation
Fig. 1 is linear actuator general structure schematic diagram;
Fig. 2 be in Fig. 1 A-A to sectional view.
In figure, piece number illustrates:
1, sprocket wheel nut, 2, drive screw, 3, bolt group, 4, housing assembly, 5, base, 6, chain, 7, the first fastening piece, 8, shape-memory polymer driver, 9, the second fastening piece, 10, drive screw centering housing.
Embodiment
Below in conjunction with accompanying drawing, the invention embodiment is described in detail.A kind of linear actuator, configuration driven screw rod centering housing 10 on housing assembly 4 lower outside center portion, at described housing assembly 4 internal configurations base 5, drive screw to be felt relieved housing 10 by bolt group 3, base 5 and housing assembly 4 are packed in one, what drive screw 2 can move axially is inserted into housing assembly 4 successively, base 5 and drive screw are felt relieved on housing 10, can stretch on housing assembly 4 top in the upper end portion of described drive screw 2, described drive screw 2 lower side and drive screw feel relieved housing 10 radially, circumference location fit, on described drive screw 2 upper lateral part, be positioned at base 5 internal whorl and connect equipped sprocket wheel nut 1, the thread helix lift angle angle value of described drive screw 2 and sprocket wheel nut 1 is in the angular range of mutual self-locking, chain 6 cover fits on sprocket wheel nut 1, the two ends of described chain 6 is respectively by the first fastening piece 7 and a left side, one end of the shape-memory polymer driver 8 on right side connects, a described left side, the other end of the shape-memory polymer driver 8 on right side is connected with base 5 respectively by the second fastening piece 9, the shape-memory polymer driver 8 in described left side is in the reset condition of folding shrinking, the shape-memory polymer driver 8 on right side is in the predeformation state of launching to stretch, described sprocket wheel nut 1, drive screw 2, bolt group 3, housing assembly 4, base 5, chain 6, first and second fastening piece 7,9 and drive screw centering housing 10 all adopt the polymer material of decay resistance to manufacture.
Realize the working procedure of the positive direction actuation of driver: the resistance screen electrified regulation built-in to shape-memory polymer driver 8, temperature is made to reach shape-memory polymer transition temperature, the shape memory effect of shape-memory polymer drives the right side shape-memory polymer driver 8 being in expansion predeformation state recovery of shape occurs and folds, thus chain drive-belt 6 is along the certain displacement of clockwise movement, chain 6 is with movable sprocket nut 1 along rotating clockwise corresponding angle, drive screw 2 moves linearly along driving spiral shell housing 10 of directly feeling relieved, make the left side shape-memory polymer driver 8 being in folded state predeformation occur and launch simultaneously, achieve the positive direction actuation of driver.Its amount of deformation can be controlled by the activation temperature controlling shape-memory polymer driver 8, make the corresponding displacement of chain 6 clockwise movement, the clockwise angle of band movable sprocket nut 1, thus the forward output displacement of control and drive system.
Realize the working procedure of the reverse direction actuation of driver: the resistance screen electrified regulation built-in to shape-memory polymer driver 8, temperature is made to reach shape-memory polymer transition temperature, the shape memory effect of shape-memory polymer drives the left side shape-memory polymer driver 8 being in expansion predeformation state recovery of shape occurs and folds, thus chain drive-belt 6 is along the certain displacement of counterclockwise movement, chain 6 is with movable sprocket nut 1 to rotate counterclockwise corresponding angle, drive screw 2 moves linearly along drive screw centering housing 10, make the right side shape-memory polymer driver 8 being in folded state predeformation occur and launch simultaneously, achieve the reverse direction actuation of driver.Its amount of deformation can be controlled by the activation temperature controlling shape-memory polymer driver 8, make the corresponding displacement of chain 6 counterclockwise movement, the reverse angle of band movable sprocket nut 1, thus the reverse output displacement of control and drive system.
When stopping the resistance screen electrified regulation built-in to shape-memory polymer driver 8, sprocket wheel nut 1 respect thereto 5 transfixion, between sprocket wheel nut 1 and drive screw 2, ensure that drive screw 2 is static by self-locking.
Claims (1)
1. a linear actuator, it is characterized in that: configuration driven screw rod centering housing (10) on housing assembly (4) lower outside center portion, at described housing assembly (4) internal configurations base (5), drive screw to be felt relieved housing (10) by bolt group (3), base (5) and housing assembly (4) are packed in one, what drive screw (2) can move axially is inserted into housing assembly (4) successively, base (5) and drive screw are felt relieved on housing (10), can stretch on housing assembly (4) top in the upper end portion of described drive screw (2), described drive screw (2) lower side and drive screw feel relieved housing (10) radially, circumference location fit, on described drive screw (2) upper lateral part, be positioned at base (5) internal whorl and connect equipped sprocket wheel nut (1), the thread helix lift angle angle value of described drive screw (2) and sprocket wheel nut (1) is in the angular range of mutual self-locking, chain (6) cover fits on sprocket wheel nut (1), the two ends of described chain (6) is respectively by the first fastening piece (7) and a left side, one end of the shape-memory polymer driver (8) on right side connects, a described left side, the other end of the shape-memory polymer driver (8) on right side is connected with base (5) respectively by the second fastening piece (9), the shape-memory polymer driver (8) in described left side is in the reset condition of folding shrinking, the shape-memory polymer driver (8) on right side is in the predeformation state of launching to stretch, described sprocket wheel nut (1), drive screw (2), bolt group (3), housing assembly (4), base (5), chain (6), first and second fastening piece (7,9) and drive screw centering housing (10) all adopt the polymer material of decay resistance to manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510579210.5A CN105114269B (en) | 2015-09-06 | 2015-09-06 | Linear actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510579210.5A CN105114269B (en) | 2015-09-06 | 2015-09-06 | Linear actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105114269A true CN105114269A (en) | 2015-12-02 |
| CN105114269B CN105114269B (en) | 2018-05-01 |
Family
ID=54662346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510579210.5A Expired - Fee Related CN105114269B (en) | 2015-09-06 | 2015-09-06 | Linear actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105114269B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397033A (en) * | 2019-07-26 | 2019-11-01 | 安徽理工大学 | It is a kind of at bolt tool and with the how horizontal bolt soil anchor prepared at bolt tool |
| CN110939667A (en) * | 2018-09-21 | 2020-03-31 | 通用汽车环球科技运作有限责任公司 | Transmission clutch assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003512130A (en) * | 1999-10-27 | 2003-04-02 | アンソン メディカル リミテッド | Method for producing medical implant |
| CN202215708U (en) * | 2011-08-31 | 2012-05-09 | 嘉兴学院 | Nut loop bar device of linear actuator |
| CN103352787A (en) * | 2013-07-12 | 2013-10-16 | 江苏大学 | Rotary device based on chain transmission and driven by shape memory effect |
| CN203660923U (en) * | 2014-01-10 | 2014-06-18 | 长安大学 | Humanoid linear actuator |
-
2015
- 2015-09-06 CN CN201510579210.5A patent/CN105114269B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003512130A (en) * | 1999-10-27 | 2003-04-02 | アンソン メディカル リミテッド | Method for producing medical implant |
| CN202215708U (en) * | 2011-08-31 | 2012-05-09 | 嘉兴学院 | Nut loop bar device of linear actuator |
| CN103352787A (en) * | 2013-07-12 | 2013-10-16 | 江苏大学 | Rotary device based on chain transmission and driven by shape memory effect |
| CN203660923U (en) * | 2014-01-10 | 2014-06-18 | 长安大学 | Humanoid linear actuator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939667A (en) * | 2018-09-21 | 2020-03-31 | 通用汽车环球科技运作有限责任公司 | Transmission clutch assembly |
| CN110939667B (en) * | 2018-09-21 | 2021-02-05 | 通用汽车环球科技运作有限责任公司 | Transmission clutch assembly |
| CN110397033A (en) * | 2019-07-26 | 2019-11-01 | 安徽理工大学 | It is a kind of at bolt tool and with the how horizontal bolt soil anchor prepared at bolt tool |
| CN110397033B (en) * | 2019-07-26 | 2024-01-26 | 安徽理工大学 | Bolt-forming tool and multi-transverse bolt soil anchor prepared by using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105114269B (en) | 2018-05-01 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20180906 |